Q347Y - 40 c, stainless steel ball valve material description and use description: Q347Y - 40 c stainless steel ball valve industry more widely, and the principle of work is not complicated, half is necessary to exercise the medium. And the vast majority of Q347Y - Stainless steel ball Industrial Valves is forced sealing 40 c, namely Q347Y - 40 c stainless steel ball valve is closed, have forced the ram pressure force to the seat, to ensure the sealing surface sealing. Q347Y - 40 c 1, Q347Y - the material of stainless steel ball valve 40 c stainless steel ball valve stem material, and strive to stainless steel stem ( 2CR13) , large diameter valves also should be embedded package of stainless steel stem. 2, nut material, the use of cast aluminum bronze, brass or aluminum and hardness and strength were greater than the valve stem. 3,Q347Y - 40 c stainless steel ball valve stem bushing material, its hardness and strength shall be no greater than stem cell phone website, and in the condition of water immersion and valve stem and valve body don't form the electrochemical corrosion. 4,Q347Y - 40 c stainless steel ball Industrial Valves body materials jiuzhaigou tourism charter, should with nodular cast iron, cast steel, stainless steel, 316 l, and indicate the brand and the physical and chemical testing data of cast iron reality. 5,Q347Y - 40 c stainless steel ball valve sealing surface of the material (1) popular wedge Q347Y - 40 c stainless steel ball valve, the material of copper ring, fixed style, style in the grinding shall be; (2) soft seal Q347Y - 40 c stainless steel ball valve, valve plate rubber lining material physical chemistry and health testing data; (3) pneumatic valves have different categories, different seal style and material requirements; ④Q347Y - 40 c stainless steel ball valves shall be marked on the valve body sealing surface material; Their physical and chemical testing data, especially of the sanitary requirements of rubber, ageing resistance, wear resistance; Usually use NBR and epdm and so on, are strictly forbidden to mixed with reclaimed rubber. 6,Q347Y - 40 c axis packing stainless steel ball valve (1) because the network of pneumatic valve, usually open/close not frequent brand planning, packing in a few years no movement, the packing is not aging, long sealing results; ②Q347Y - 40 c axis stainless steel ball valve packing should also be under frequent opening and closing, good seal results; (3) in view of the above requirements, Q347Y - 40 c axis stainless steel ball valve packing to lifetime don't change or more than ten years not to replace; (4) packing if need to replace, Q347Y - 40 c stainless steel ball valve replacement under the condition of design should be considered to have the water pressure. The structure of double ram Q347Y - 40 c stainless steel ball valves have different characteristics, and its cost, manufacturing process is also different, and each is superior to blemishes. Q347Y - 40 c stainless steel ball valve design tend to be diversified, but also is to have rules to follow, Q347Y - currently on the market 40 c stainless steel ball Industrial Valves can be generally divided into two broad categories. Class is composed of two ram and wedge structure, both relative to self-reliance, complete sealing function. Another kind is the wedge and the combination of the ram of thermoelectric boiler, storage by the gate itself as a wedge structure, extrusion and form the seal. In contrast, the second class structure has a better stability, because so much of the structure under the condition of the function is similar, much less parts. Thereby significantly improved stability. The design should also take into account the reality may encounter in the process of use, design appropriate structure according to different situations. The research of the flat valve used in oil industry, important so there is need to design a safe and reliable, good seal performance, strength of structure.
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